Cuál es la ecuación de la recta vertical que pasa por (2,3)?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

Can someone me out here number 4 plz